Panasonic LCD-201803 Quick start guide

Panasonic Corporation 2018

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Model No. LCD-201803

Order No. ITD1803902GE

Circuit Operation and Troubleshoot

2018 - LCD TV

Ver. 1.0

Revision History

Version Issued/Revised

date

Revised content

Ver. 1.0 29th. Mar. 2018 First version

INDEXINDEX

1.Board Layout

2.Video Signal Processing

2-1. Picture signal flow

2-2. Troubleshoot of Picture Problem

3.Power Supply

3-1. Power Board Structure

3-2. Stand by / Start up Operation

3-3. SOS Protection Circuit and Troubleshoot of Power Problem

4.Rear Cover Disassemble and Assemble

1. Board Layout

Board Layout -1

The presence of GK board is depend on the model and region.

LDP

49/43/32/24FS***/F4**, 40FS***/F4** (Europe and Oceania)

40FS***/F4** (Latin and Asia)

55/49/43/40FX6**/FX7**

50FS***

65FX6**, 75FX7**

LDP

Board Name Function

A-Board Main Board

P-Board Power supply, Backlight Drive, Power key, Control key

K-Board Remote Receiver, Power LED

A02

A12

A10

AC input

K10

Speaker Speaker

A15

Board Layout -2

( 32F400 )

( A+P )

(T-CON)

Not repairable,

One of the panel module

A10

A02

A12

AC input

K10

WiFi Module

Speaker Speaker

(T-CON)

Not repairable,

One of the panel module

A16

Board Layout -3

( 55FX700 )

( A+P )

GK Bluetooth

Module

Board Name Function

A-Board Main Board

P-Board Power supply, Backlight Drive

Board Name Function

K-Board Remote Receiver, Power LED

GK-Board Power key, Control key

JK8705

Board Name Function

A-Board Main Board

P-Board Power supply, Backlight Drive, Power key, Control key

K-Board Remote Receiver, LED

A02

A10

DC input,

Connect the

AC adapter

K10

Speaker Speaker

A11

Board Layout -4

( 40F400 )

( A+LDP )

GK LDP1

(T-CON)

Not repairable,

One of the panel module

LDP

A02

A16

A12

A10

AC input

K10

WiFi Module

Speaker Speaker

(T-CON)

Not repairable,

One of the panel module

LDP5

Board Layout -5

LDP

LDP3 LDP2

Board Name Function

A-Board Main Board

P-Board Power supply for Signal Process

Board Name Function

LDP-Board Power supply for Backlight Drive

K-Board Remote Receiver, Power LED

( 75FX750 )

( A+P+LDP )

LDP4

Bluetooth

Module

Not repairable,

One of the panel module

A15

JK8705

F4** FS5** FX6**

(4K)

FX7**

(4K)

24inch A+P --- ---

32inch A+P A+P --- ---

40inch A+P

(Oceania)

A+P

(Europe/Oceania)

A+P A+P

A+LDP

+DC adaptor

(Asia/Latin)

A+LDP

+DC adaptor

(Asia/Latin)

43inch A+P A+P A+P

49inch A+P A+P A+P

50inch --- A+P+LDP --- ---

55inch --- --- A+P A+P

65inch --- --- A+P+LDP

75inch --- --- --- A+P+LDP

Except K, GK boards

Board Structure

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